Kent BackKent Beck is a programmer, creator of Extreme Programming, pioneer of software patterns, coauthor of JUnit, rediscoverer of Test-Driven Development, and observer of 3X: Explore/Expand/Extract. Beck is also alphabetically the first signatory of the Agle Manifesto. He lives in San Francisco, California, and he is chief scientist at Mechanical Orchard, teaching skills to help geeks feel safe in the world. Read More Read Less